College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 2 - Section 2.8 - Function Operations and Composition - 2.8 Exercises - Page 269: 61

Answer

$$(f\circ g)(1)=f(g(1))=f(9)$$ There is no information about $f$ when $x=9$.

Work Step by Step

$$(f\circ g)(1)$$ Rewrite as: $$f(g(1))$$ Note from the table, value of $g$ is $9$ for input value of $1$. So expression becomes: $$f(9)$$ Note from the table of $f$. there is no information about the value of $f$ for input value $9$. So, it cannot be determined.
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